KORG Z1 Music Synthesizer Keyboard Polyphony - 12 voices (expandable to 18), Control - MIDI (6 parts) Oscillators - 2 osc (13 types including pulse, saw, tri, sine, organ, electric piano, piano, brass, reeds, strings, more) 1sub-osc, noise, Memory - 256 patches, 32 multis LFO - 4 LFOs; 18 waveforms including sine, tri, saw, square, sample/hold, stepped Filter - Resonant low, hi, dual band pass, Keyboard - 61 keys with velocity and aftertouch Effects - 2 effect units with 15 effects including Reverb, Parametric EQ, chorus, phaser, flanger, rotating speaker, overdrive, auto-wah, talkbox, decimator, compressor